A senior agent with Secretary of State Marco Rubio's security detail was reportedly arrested after getting in a fight with ...

Secretary of State Marco Rubio gave assurances that the U.S. will not make concessions to Russia's Vladimir Putin that cross ...

US Secretary of State Marco Rubio revealed on Friday that he had met with an envoy for President Vladimir Putin this week and ...

United States Secretary of State Marco Rubio on Friday said Washington would soon determine whether Moscow is genuinely ...

The Trump administration says it will soon be clear if Russia's Vladimir Putin really wants a peace deal in Ukraine, as ...

The United States will know in a matter of weeks if Russia is serious about peace with Ukraine, U.S. Secretary of State Marco ...

The US Secretary of State said President Donald Trump would not be "trapped" by endless negotiations with Moscow over the ...

Marco Rubio is visiting NATO's headquarters for a meeting of foreign ministers, putting him on the front lines of the Trump administration's push against U.S. allies.

Secretary of State Marco Rubio arrived at NATO to reassure the alliance about Trump’s intentions but warn that it can’t rely ...

U.S. Secretary of State Marco Rubio and the Trump administration’s new envoy to NATO are seeking to reassure wary NATO ...

The secretary of state’s trip comes amid an abrupt shift in relations between the United States and Europe after close ...

Secretary of State Marco Rubio arrived at in Brussels Thursday for talks that allies hope will shed light on the U.S.’ future ...